Answer / star

Because Y phase is less prone to faults. B phase is prone
to earth fault and R phase is prone to lightning. So Y
phase is more safe.

How i can select current transformer and meters for the upgrading the panal..for 200kw to 600kw....i need to select monitoring and protection ct,s and apmpire meter ,kw meter too.

1 Answers  

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WHY THE FREQUENCY IS 50 HZ IN INDIA.CAN WE USE SOME OTHER FREQUENCY.IF SO WHAT IS THE RANGE AND WHAT WILL BE THE EFFECT IN PRESENT POWER SYSTEM IF WE CHANGE THE FREQUENCY AS YOU SUGGEST ?

32 Answers   L&T, MCL,

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My meter CT is 200/5amps Then my electrical meter MF=???please suggest

2 Answers   KFC,

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What is the function of trip neutral close switch?

11 Answers  

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Can we use shunt trip coil instead of trip coil with protection relay for protection?

0 Answers  

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Wat is power factor exact meaning in terms of technical terms plz explain ?

4 Answers  

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what is the difference between old fan regulator and new fan regulator

1 Answers  

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what is the effect of higher value of GD???

0 Answers   VEPL,

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What is the formula to calculate the no load current of a single & three phase induction motor

0 Answers   HCL, Nokia,

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why transformer ratings are taken in 11kv 22kv 33kv but not in 10,20,30kv

5 Answers   ushacomm,

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What is ferro-resonance in electrical system? Why it occurs and what are measures to prevent it?

0 Answers  

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What the formula for calculating no.of earthings & size of earth strip for 100mX90m shop.

0 Answers  

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